Atheme of this story is "overconfidence leads to carelessness." which excerpt from the text most effectively demonstrates how giselle's thoughts and actions develop this theme? a "slowly dark star warmed up to her, and one cold spring afternoon, he approached giselle and gently nudged her, filling her with euphoria." b "it had been almost four weeks since she’d ridden dark star, and giselle was adamant that her broken arm would not inhibit her riding." c "giselle opened the horse’s stall, and even though it was a bit of a struggle with only one good arm, she managed to bridle him and lay a blanket across his back." d "once outside and out of view, giselle climbed the railings of the corral fence, clambered up on the bay, and wriggled into position on the horse’s back."